Finding the Fourth Proportional to 3,758.84, 5,641.56 and 1,786.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.84 : 5,641.56 = 1,786.88 : x
2. Step 2: Convert to fraction form
   3,758.84/5,641.56 = 1,786.88/x
3. Step 3: Cross multiply
   3,758.84x = 5,641.56 × 1,786.88
4. Step 4: Simplify right side
   3,758.84x = 10,080,790.73
5. Step 5: Solve for x
   x = 10,080,790.73/3,758.84
6. Step 6: Final answer
   x = 2,681.89